Spherical roller bearings 231/630BK
Bearing number : 231/630BK
Size (mm) : 630x1030x315
Brand : NTN
Bore Diameter (mm) : 630
Outer Diameter (mm) : 1030
Width (mm) : 315
Bearing dimensions and specification in NTN catalogue:
d - 630 mm
D - 1 030 mm
B - 315 mm
C - 315 mm
r min. - 7,5 mm
da min. - 666 mm
Da max. - 994 mm
ra max. - 6 mm
Weight - 1 020 Kg
Basic dynamic load rating (C) - 9 600 kN
Basic static load rating (C0) - 19 900 kN
(Grease) Lubrication Speed - 250 r/min
(Oil) Lubrication Speed - 320 r/min
Calculation factor (e) - 0,3
Calculation factor (Y0) - 2,22
Calculation factor (Y1) - 2,27
Calculation factor (Y2) - 3,38
Authorized, Factory-Direct Distributor for NTN Bearin
Authorized, Factory-Direct Distributor for NTN Bearings. Founded in 1918, NTN ® has long been recognized for the most stringent quality standards in the industry and counts some of the most recognized industrial and automotive brand names as its customers. As an authorized NTN distributor, AST ® Bearings stocks their products receiving them directly from the factory.
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